Ishubhu lensimbi le-ASTM A210 iyipayipi lensimbi elingenamthungo eliphakathi nendawo elisetshenziswa njengamapayipi ebhoyila kanye nama-superheater ezindaweni ezinokushisa okuphezulu kanye nokucindezela okuphezulu, njengaseziteshini zikagesi kanye nama-boyila ezimboni.
Izinkinobho Zokuzulazula
Ububanzi Bosayizi be-ASTM A210
Ama-Raw material
Ibanga le-ASTM A210
Inqubo Yokukhiqiza Ishubhu Lensimbi Engenamthungo ye-ASTM A210
Ukwelashwa Kokushisa
Izingxenye Zamakhemikhali
Izakhiwo Zemishini
Ukuhlolwa Kokuqina
Okunye Ukuhlola
Ukuqedwa Komphezulu
Imisebenzi Yokwakha
Ukumaka kwe-ASTM A210
Izicelo ze-ASTM A210
Imikhiqizo Yethu Ehlobene
Ububanzi Bosayizi be-ASTM A210
Ububanzi Bangaphandle: 1/2ku-(12.7mm)≤ OD ≤5in (127mm)
Ubukhulu Bodonga: 0.035 in (0.9mm) ≤ Isisindo ≤0.500 in (12.7mm)
Amapayipi anobukhulu obuhlukile angafakwa, uma nje lawo mapayipi ehambisana nazo zonke ezinye izidingo zale ncazelo.
Ama-Raw material
Umkhuba Wokwenza Insimbi--Insimbi izobulawa.
Insimbi ebulewe ibhekisela ekufakweni kwamanani athile e-deoxidizers njenge-silicon, i-aluminium, ne-manganese ngesikhathi senqubo yokuncibilikisa insimbi.
Lezi zithasiselo zingasabela nomoya-mpilo osensimbini ukuze zikhiqize ama-oxide aqinile, ngaleyo ndlela zinciphise okuqukethwe umoya-mpilo osensimbini futhi zivimbele ukwakheka kwezinto ezifaka i-oxidizing.
Ibanga le-ASTM A210
I-ASTM A210 itholakala ngamagremu amabili:Ibanga A-1 kanye nebanga C.
Inqubo Yokukhiqiza Ishubhu Lensimbi Engenamthungo ye-ASTM A210
Amapayipi ensimbi kumele enziwe ngenqubo engenamthungo futhi kufanelekuqediwe ngokushisa or kuqediwe kubandanjengoba kuchaziwe.
Ngokuvamile, amapayipi ensimbi anobubanzi obungaphezu kwamamilimitha angu-30 aqedwa ngokushisa kanti lawo anobubanzi obungaphansi noma obulingana namamilimitha angu-30 aqedwa ngokushisa. Le ndlela yokuhlukanisa ayiphelele kodwa ingasetshenziswa njengendlela esheshayo nelula yokunquma indlela yokucubungula ipayipi lensimbi elingenamthungo.
Ukwelashwa Kokushisa
Ukwelashwa ngokushisa akudingeki kumapayipi aqediwe ngokushisa.
Amapayipi aqediwe ngokubandayo kufanele anikezwe i-anneal engabalulekile, i-anneal ephelele, noma ukwelashwa kokushisa okuvamile ngemva kwenqubo yokugcina yokuqeda ngokubandayo.
Izingxenye Zamakhemikhali
| Isici | Ibanga A-1 | Ibanga C |
| C (Ikhabhoni), ubuningiA | 0.27 | 0.35 |
| I-Mn (i-Manganese) | Umkhawulo ongu-0.93 | 0.29-1.06 |
| I-P (i-Phosphorus), ubuningi | 0.035 | 0.035 |
| S (Isibabule), ubuningi | 0.035 | 0.035 |
| I-Si (i-Silicon), min | 0.1 | 0.1 |
| A Kokuncishiswa ngakunye okungu-0.01% ngaphansi komkhawulo wekhabhoni ochaziwe, ukwanda okungu-0.06% we-manganese ngaphezu komkhawulo ochaziwe kuzovunyelwa kufikela kumkhawulo ophezulu ongu-1.35%. | ||
Lezi zidingo zokwakheka kwamakhemikhali ziqinisekisa ukuthi amashubhu anamandla anele kanye nokumelana nokushisa okwanele.
Izakhiwo Zemishini
Izidingo zesakhiwo semishini azisebenzi kumapayipi amancane kune-1/ 8ngo-[3.2 mm] ububanzi bangaphakathi noma ubukhulu obungu-0.015 in. [0.4 mm].
| Uhlu | Iyunithi | Ibanga A-1 | Ibanga C | |
| Amandla okudonsa, ubuncane | ksi | 60 | 70 | |
| I-MPa | 415 | 485 | ||
| Amandla okukhiqiza, ubuncane | ksi | 37 | 40 | |
| I-MPa | 255 | 275 | ||
| Ukwelulwa ku-50 mm (2 in ), min | Ekuhlolweni kwe-longitudinal strip, kuzokhishwa isaphulelo sokwehla ngakunye okungu-1/32-in. [0.8-mm] kobukhulu bodonga ngaphansi kwama-5/16 in. [8 mm] kusukela ekunwetshweni okuyisisekelo okuncane kwamaphuzu alandelayo amaphesenti. | % | 1.5A | 1.5A |
| Uma kusetshenziswa isampula ejwayelekile eyindilinga engu-2-intshi noma engu-50-mm ubude begeji noma isampula encane enobukhulu obulinganayo enobude begeji obulingana no-4D (ububanzi obuphindwe kane). | 22 | 20 | ||
| ABheka Ithebula 4 ukuthola amanani aphansi abaliwe. | ||||
Ithebula 4 linikeza amanani okwandiswa okuncane okubalwe kwento ngayinye1/32ukwehla kobukhulu bodonga ngo-in. [0.8 mm].
Lapho ubukhulu bodonga buphakathi kwamanani amabili aboniswe ngenhla, inani elincane lokwelulwa lizonqunywa yi-equation elandelayo:
Amayunithi ombuso (ngaphakathi): E = 48t+15.00
Iyunithi ye-SI(mm): E = 1.87t+15.00
kuphi:
E = ukunwebeka ngamasentimitha angu-2 noma angu-50 mm, %,
t = ukujiya kwangempela kwesampula.
Ukuhlolwa Kokuqina
Ukuhlolwa kobulukhuni bukaBrinell noma bukaRockwell kufanele kwenziwe kumasampula avela kumashubhu amabili avela kuhlu ngalunye.
I-ASTM A210 Ibanga A-1:79-143 HBW
I-ASTM A210 Ibanga C: 89-179 HBW
I-HBW ibhekisela ekulinganisweni koBulukhuni bukaBrinell, lapho u-"W" emele ukusetshenziswa kwebhola le-carbide njenge-indenter.
Okunye Ukuhlola
Ukuhlolwa Kokuthamba
Ukuhlolwa Kokuvutha
Ukuhlolwa Kukagesi Okungashintshi Noma Okungabhubhisi
Ukuqedwa Komphezulu
Ingafakwa ku-pickle noma iqhunyiswe, noma kokubili, futhi le ngxenye iyindaba yesivumelwano, futhi ukukhetha kusekelwe esivumelwaneni phakathi komsebenzisi nomenzi.
I-pickling isetshenziswa kakhulu ukususa izingqimba ezi-oxidized kanye nezinye izinto ezingcolisayo ebusweni bamapayipi ensimbi.
Ukuqhuma ngesibhamu kusetshenziselwa ukuhlanza ubuso nokuthuthukisa amandla okunamathela.
Lokhu kwelashwa akugcini nje ngokuthinta ikhwalithi yobuso bepayipi kodwa futhi kungathinta nezakhiwo zokusetshenziswa kwayo kokugcina.
Imisebenzi Yokwakha
Uma efakwa kubhoyila, amashubhu kufanele ame anwebeke futhi abe nobuhlalu ngaphandle kokubonisa imifantu noma amaphutha. Uma esetshenziswa kahle, amashubhu e-superheater kufanele ame yonke imisebenzi yokwakha, ukushisela, kanye nokugoba edingekayo ukuze kusetshenziswe ngaphandle kokukhula kwamaphutha.
Ukumaka kwe-ASTM A210
Okulandelayo kufanele kuphawulwe ngokucacile:
Igama noma ilogo yomkhiqizi.
Imininingwane yepayipi (usayizi, ubukhulu bodonga, njll.).
Ibanga lepayipi.
Uhlobo lokukhiqizwa kwepayipi lensimbi: eliqediwe ngokushisa noma elibandayo.
Izicelo ze-ASTM A210
Isetshenziswa ekwakhiweni kwama-boiler amancane kuya kwaphakathi anomfutho ophansi, njengama-boiler amile, ama-boiler ahlala phansi, kanye namanye ama-boiler asetshenziselwa ukufudumeza kwezimboni noma kwezindlu.
Ama-superheater ayizingxenye zebhoyila ezisetshenziselwa ukuphakamisa izinga lokushisa lomusi ngaphezu kwephuzu lawo lokubila, futhi amashubhu e-ASTM A210 afaneleka ekwenziweni kwalezi zingxenye ezishisa kakhulu.
Imikhiqizo Yethu Ehlobene
Singumkhiqizi kanye nomhlinzeki wamapayipi ensimbi yekhabhoni ashiselwe ngekhwalithi ephezulu avela eShayina, futhi siphinde sibe ngumthengisi wamapayipi ensimbi angenamthungo, sikunikeza izixazululo eziningi zamapayipi ensimbi!
amathegi: i-astm 210, ibhoyila, engenamthungo, eqediwe ngokushisa, ebandayo, i-superheater, abahlinzeki, abakhiqizi, amafektri, abathengisi bamasheya, izinkampani, ngobuningi, thenga, intengo, ikhotheshini, inqwaba, ethengiswayo, izindleko.
Isikhathi sokuthunyelwe: Ephreli-24-2024